[{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/wiki.edu.vn\/en\/wiki24\/2016\/12\/24\/v-puppis-wikipedia\/#BlogPosting","mainEntityOfPage":"https:\/\/wiki.edu.vn\/en\/wiki24\/2016\/12\/24\/v-puppis-wikipedia\/","headline":"V Puppis – Wikipedia","name":"V Puppis – Wikipedia","description":"From Wikipedia, the free encyclopedia Variable star in the constellation Puppis V Puppis Location of V Puppis (circled) Observation dataEpoch","datePublished":"2016-12-24","dateModified":"2016-12-24","author":{"@type":"Person","@id":"https:\/\/wiki.edu.vn\/en\/wiki24\/author\/lordneo\/#Person","name":"lordneo","url":"https:\/\/wiki.edu.vn\/en\/wiki24\/author\/lordneo\/","image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Enzyklop\u00e4die","logo":{"@type":"ImageObject","@id":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","url":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/b\/ba\/Puppis_constellation_map.svg\/280px-Puppis_constellation_map.svg.png","url":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/b\/ba\/Puppis_constellation_map.svg\/280px-Puppis_constellation_map.svg.png","height":"373","width":"280"},"url":"https:\/\/wiki.edu.vn\/en\/wiki24\/2016\/12\/24\/v-puppis-wikipedia\/","about":["Wiki"],"wordCount":4342,"articleBody":"From Wikipedia, the free encyclopedia  Variable star in the constellation PuppisV Puppis  Location of V Puppis (circled)Observation dataEpoch J2000\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Equinox J2000ConstellationPuppisRight ascension07h 58m 14.43920s[1]Declination\u221249\u00b0\u00a014\u2032\u00a041.6803\u2033[1]Apparent\u00a0magnitude\u00a0(V)4.41[2](5.10 + 5.59)[3]CharacteristicsSpectral\u00a0typeB1Vp + B3IV:[4]U\u2212B color index\u22120.96[2]B\u2212V color index\u22120.17[2]Variable\u00a0type\u03b2 Lyr[5]AstrometryRadial velocity (Rv)+19.40[6]\u00a0km\/sProper motion (\u03bc) RA:\u00a0-5.34[1]\u00a0mas\/yr Dec.:\u00a0+7.12[1]\u00a0mas\/yr Parallax (\u03c0)3.40\u00a0\u00b1\u00a00.29\u00a0mas[1]Distance960 \u00b1 80\u00a0ly (290 \u00b1 30\u00a0pc)Absolute\u00a0magnitude\u00a0(MV)\u22123.56[7]Orbit[3]PrimaryV Pup AaCompanionV Pup AbPeriod (P)1.4544859 dSemi-major axis (a)14.96\u00b10.2\u00a0R\u2609DetailsV Pup AaMass14.0[3]\u00a0M\u2609Radius5.48[3]\u00a0R\u2609Luminosity12,600[3]\u00a0L\u2609Temperature26,000[3]\u00a0KRotational velocity (v\u00a0sin\u00a0i)275.0[8]\u00a0km\/sV Pup AbMass7.3[3]\u00a0M\u2609Radius4.59[3]\u00a0R\u2609Luminosity6,500[3]\u00a0L\u2609Temperature24,000[3]\u00a0KAge5[3]\u00a0MyrOther designations CD-48\u00b03349, CCDM\u00a0J07582-4915A, GC\u00a010802, GSC\u00a008143-03239, HIP\u00a038957, HR\u00a03129, HD\u00a065818, SAO\u00a0219226, WDS\u00a0J07582-4915A Database referencesSIMBADdataV Puppis (V Pup) is a star system in the constellation Puppis. Its apparent magnitude is 4.41.[2]  There is a binary star system at the center with a B1 dwarf orbiting a B3 subgiant star.[4]  They have an orbital period of 1.45 days and a distance of only 15 solar radii apart.[3] However, the system moves back and forth, indicating that there is a massive object orbiting them with a period around 5.47 years.  Based on the mass of the object, its lack of a visible spectrum, and circumstellar matter in the system with many heavy elements (as would be produced by a past supernova in the system), it is probably a black hole.[9][10] However, a follow-up study could not confirm this object, but found signs that there may be a third object which is fainter than the other components.[11]  In addition to the main system, more distant components have been reported: B, at magnitude 11.5 and separation 6.2″, C, at magnitude 13.2 and separation 18.9″, D, at magnitude 9.88 and separation 39″, and E, at magnitude 13 and separation from D of 10.4″.[13]References[edit]^ a b c d e Van Leeuwen, F. (2007). “Validation of the new Hipparcos reduction”. Astronomy and Astrophysics. 474 (2): 653\u2013664. arXiv:0708.1752. Bibcode:2007A&A…474..653V. doi:10.1051\/0004-6361:20078357. S2CID\u00a018759600. Vizier catalog entry^ a b c d Ducati, J. R. (2002). “VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson’s 11-color system”. CDS\/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237….0D.^ a b c d e f g h i j k l Budding, E.; Love, T.; Blackford, M. G.; Banks, T.; Rhodes, M. J. (2021). “Absolute Parameters of Young Stars: V Puppis”. Monthly Notices of the Royal Astronomical Society. 502 (4): 6032\u20136043. arXiv:2102.00362. doi:10.1093\/mnras\/stab381.^ a b Hoffleit, D.; Warren, W. H. (1995). “VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)”. VizieR On-line Data Catalog: V\/50. Originally Published in: 1964BS….C……0H. 5050. Bibcode:1995yCat.5050….0H.^ Samus, N. N.; Durlevich, O. V.;  et\u00a0al. (2009). “VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)”. VizieR On-line Data Catalog: B\/GCVS. Originally Published in: 2009yCat….102025S. 1. Bibcode:2009yCat….1.2025S.^ Pourbaix, D.; Tokovinin, A. A.; Batten, A. H.; Fekel, F. C.; Hartkopf, W. I.; Levato, H.; Morrell, N. I.; Torres, G.; Udry, S. (2004). “SB9: The ninth catalogue of spectroscopic binary orbits”. Astronomy and Astrophysics. 424 (2): 727\u2013732. arXiv:astro-ph\/0406573. Bibcode:2004A&A…424..727P. doi:10.1051\/0004-6361:20041213. S2CID\u00a0119387088.^ Anderson, E.; Francis, Ch. (2012). “XHIP: An extended hipparcos compilation”. Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL…38..331A. doi:10.1134\/S1063773712050015. S2CID\u00a0119257644. Vizier catalog entry^ Glebocki, R.; Gnacinski, P. (2005). “VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)”. VizieR On-line Data Catalog: III\/244. Originally Published in: 2005csss…13..571G; 2005yCat.3244….0G. 3244. Bibcode:2005yCat.3244….0G. Vizier catalog entry^ Kaler, Jim (2 Jan 2009). “V Pup”. Stars. Retrieved 31 Jan 2013.^ Qian, S.\u2010B.; Liao, W.\u2010P.; Fern\u00e1ndez Laj\u00fas, E. (2008). “Evidence of a Massive Black Hole Companion in the Massive Eclipsing Binary V Puppis”. The Astrophysical Journal. 687 (1): 466\u2013470. arXiv:0806.4944. Bibcode:2008ApJ…687..466Q. doi:10.1086\/591515. S2CID\u00a0380178.^ Budding, E; Love, T; Blackford, M G; Banks, T; Rhodes, M J (9 March 2021). “Absolute parameters of young stars: V puppis”. Monthly Notices of the Royal Astronomical Society. 502 (4): 6032\u20136043. doi:10.1093\/mnras\/stab381.^ “MAST: Barbara A. Mikulski Archive for Space Telescopes”. Space Telescope Science Institute. Retrieved 8 December 2021.^ Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). “The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog”. The Astronomical Journal. 122 (6): 3466. Bibcode:2001AJ….122.3466M. doi:10.1086\/323920. 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